IPv4 R&E Routing Table Report 21:10 GMT Mon 21 Sep, 2026 IPv4 BGP Table (Global) as seen at AARNET (Brisbane). Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/AARNET/ Analysis Summary ---------------- BGP routing table entries examined: 1068714 Prefixes after maximum aggregation (per Origin AS): 413818 Deaggregation factor: 2.58 Unique aggregates announced (without unneeded subnets): 534180 Number of IPv4 prefixes with a valid ROA: 745862 Number of IPv4 prefixes with an invalid ROA: 129 Number of IPv4 prefixes with no ROA: 322723 Total ASes present in the Internet Routing Table: 79266 Prefixes per ASN: 13.48 Origin-only ASes present in the Internet Routing Table: 67828 Origin ASes announcing only one prefix: 27815 Transit ASes present in the Internet Routing Table: 11438 Transit-only ASes present in the Internet Routing Table: 616 Paths with bogon ASNs present in the IPv4 Routing Table: 29 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 92 Max AS path prepend of ASN (152107) 90 Prefixes from unregistered ASNs in the Routing Table: 1224 Number of instances of unregistered ASNs: 1240 Number of 32-bit ASNs allocated by the RIRs: 51313 Number of 32-bit ASNs visible in the Routing Table: 41654 Prefixes from 32-bit ASNs in the Routing Table: 241222 Number of bogon 32-bit ASNs visible in the Routing Table: 66 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 523 Number of addresses announced to Internet: 3125826304 Equivalent to 186 /8s, 80 /16s and 83 /24s Percentage of available address space announced: 84.4 Percentage of allocated address space announced: 84.4 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 353552 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 284751 Total APNIC prefixes after maximum aggregation: 85807 APNIC Deaggregation factor: 3.32 Prefixes being announced from the APNIC address blocks: 272154 Unique aggregates announced from the APNIC address blocks: 110763 APNIC Region origin ASes present in the Internet Routing Table: 15348 APNIC Prefixes per ASN: 17.73 APNIC Region origin ASes announcing only one prefix: 4759 APNIC Region transit ASes present in the Internet Routing Table: 2034 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 92 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10958 Number of APNIC addresses announced to Internet: 748936960 Equivalent to 44 /8s, 163 /16s and 223 /24s APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 64297-64395, 131072-155961 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8, 163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 314243 Total ARIN prefixes after maximum aggregation: 139748 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 311829 Unique aggregates announced from the ARIN address blocks: 153004 ARIN Region origin ASes present in the Internet Routing Table: 19479 ARIN Prefixes per ASN: 16.01 ARIN Region origin ASes announcing only one prefix: 7147 ARIN Region transit ASes present in the Internet Routing Table: 1997 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 45 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5777 Number of ARIN addresses announced to Internet: 1355597056 Equivalent to 80 /8s, 204 /16s and 197 /24s ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 53248-55295, 62464-63487, 64198-64296, 393216-404380 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 298759 Total RIPE prefixes after maximum aggregation: 148790 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 304821 Unique aggregates announced from the RIPE address blocks: 199938 RIPE Region origin ASes present in the Internet Routing Table: 29854 RIPE Prefixes per ASN: 10.21 RIPE Region origin ASes announcing only one prefix: 12352 RIPE Region transit ASes present in the Internet Routing Table: 4166 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 41 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13884 Number of RIPE addresses announced to Internet: 749744640 Equivalent to 44 /8s, 176 /16s and 50 /24s RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-45055, 47104-52223, 56320-58367 59392-61439, 61952-62463, 64396-64495 196608-219547 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 53/8, 57/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 131655 Total LACNIC prefixes after maximum aggregation: 31724 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 125612 Unique aggregates announced from the LACNIC address blocks: 51507 LACNIC Region origin ASes present in the Internet Routing Table: 11511 LACNIC Prefixes per ASN: 10.91 LACNIC Region origin ASes announcing only one prefix: 2789 LACNIC Region transit ASes present in the Internet Routing Table: 2659 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 38 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9580 Number of LACNIC addresses announced to Internet: 167494656 Equivalent to 9 /8s, 251 /16s and 196 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-275868 + ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 191/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 38082 Total AfriNIC prefixes after maximum aggregation: 7054 AfriNIC Deaggregation factor: 5.40 Prefixes being announced from the AfriNIC address blocks: 53774 Unique aggregates announced from the AfriNIC address blocks: 18534 AfriNIC Region origin ASes present in the Internet Routing Table: 2092 AfriNIC Prefixes per ASN: 25.70 AfriNIC Region origin ASes announcing only one prefix: 768 AfriNIC Region transit ASes present in the Internet Routing Table: 382 Average AfriNIC Region AS path length visible: 5.2 Max AfriNIC Region AS path length visible: 53 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1455 Number of AfriNIC addresses announced to Internet: 103776256 Equivalent to 6 /8s, 47 /16s and 128 /24s AfriNIC AS Blocks 36864-37887, 327680-330751 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 9808 14058 8737 135 CHINAMOBILE-CN - China Mobile Communicati 9498 5117 561 339 BBIL-AP - BHARTI Airtel Ltd., IN 7545 4636 831 274 TPG-INTERNET-AP - TPG Telecom Limited, AU 7552 4073 1331 24 VIETEL-AS-AP - Viettel Group, VN 56046 3610 886 179 CMNET-Jiangsu-AP - China Mobile communica 7713 3472 1043 69 telkomnet-as-ap - PT Telekomunikasi Indon 45899 3374 1868 97 VNPT-AS-VN - VNPT Corp, VN 140292 3097 316 1817 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK - 24560 2478 589 701 AIRTELBROADBAND-AS-AP - Bharti Airtel Ltd 4755 2272 427 192 TATACOMM-AS - TATA Communications formerl Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 18451 42649 5656 AMAZON-02 - Amazon.com, Inc., US 22773 4862 3182 421 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4600 306 1124 CABLEONE - CABLE ONE, INC., US 7155 4338 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3832 1305 74 SHAW - Shaw Communications, CA 396982 3525 5380 596 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3218 239 1144 AS-COLOCROSSING - HostPapa, US 749 3133 54663 2384 DNIC-AS-00749 - United States Department 7029 2813 2560 893 WINDSTREAM - Windstream Communications LL 31898 2758 1370 1148 ORACLE-BMC-31898 - Oracle Corporation, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7031 1709 149 UNI2-AS - Orange Espagne SA, ES 39891 4976 307 73 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4304 384 2621 M247 - M247 Europe SRL, RO 20940 3819 3388 105 AKAMAI-ASN1 - Akamai International B.V., 212238 3583 259 2707 CDNEXT - Datacamp Limited, GB 12389 3123 2330 867 ROSTELECOM-AS - PJSC Rostelecom, RU 34984 2526 371 599 TELLCOM-AS - Superonline Iletisim Hizmetl 29355 2523 155 28 KCELL-AS - Kcell JSC, KZ 44559 1711 107 958 ITHOSTLINE - IT HOSTLINE LTD, CY 8452 1689 1852 14 TE-AS - IDDQD-AS, EG Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 13194 3307 608 AS8151 - UNINET, MX 10620 3406 443 1115 AS10620 - Telmex Colombia S.A., CO 13999 2237 495 328 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1866 369 65 AS11830 - Instituto Costarricense de Elec 11664 1493 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1364 2421 307 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1266 762 224 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1196 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1099 73 385 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 27715 1077 75 53 AS27715 - Locaweb Servicos de Internet S/ Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1976 497 26 Vodafone Data - Vodafone Data, EG 36992 1941 1543 328 ETISALAT MISR - ETISALAT MISR, EG 24863 1470 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 36903 1356 590 108 Office National des Postes et Telecommuni 36935 1286 523 49 Vodafone Data - Vodafone Data, EG 37069 1128 1100 11 The Egyptian Company for Mobile Services 29571 1086 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 15399 590 57 62 Wananchi Group (Kenya) Limited - Wananchi 20011 557 160 172 Dimension Data - Dimension Data, ZA 36914 546 82 3 Kenya Education Network - Kenya Education Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 18451 42649 5656 AMAZON-02 - Amazon.com, Inc., US 9808 14058 8737 135 CHINAMOBILE-CN - China Mobile Communicati 8151 13194 3307 608 AS8151 - UNINET, MX 12479 7031 1709 149 UNI2-AS - Orange Espagne SA, ES 9498 5117 561 339 BBIL-AP - BHARTI Airtel Ltd., IN 39891 4976 307 73 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4862 3182 421 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 7545 4636 831 274 TPG-INTERNET-AP - TPG Telecom Limited, AU 11492 4600 306 1124 CABLEONE - CABLE ONE, INC., US 7155 4338 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 14058 13923 CHINAMOBILE-CN - China Mobile Communications Gr 8151 13194 12586 AS8151 - UNINET, MX 12479 7031 6882 UNI2-AS - Orange Espagne SA, ES 39891 4976 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 5117 4778 BBIL-AP - BHARTI Airtel Ltd., IN 22773 4862 4441 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7545 4636 4362 TPG-INTERNET-AP - TPG Telecom Limited, AU 7155 4338 4251 VIASAT-SP-BACKBONE - ViaSat,Inc., US 7552 4073 4049 VIETEL-AS-AP - Viettel Group, VN 6327 3832 3758 SHAW - Shaw Communications, CA Complete listing at https://bgp.nsrc.org/REN/AARNET/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 394928 UNALLOCATED 8.2.70.0/24 3356 LEVEL3 - Level 3 Parent 23338 UNALLOCATED 8.14.84.0/22 33667 CMCS - Comcast Cable Co 395729 UNALLOCATED 8.28.60.0/24 32787 PROLEXIC-TECHNOLOGIES-D 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3 - Level 3 Parent 394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174 - Cogent Com 396243 UNALLOCATED 8.34.113.0/24 3356 LEVEL3 - Level 3 Parent 397274 UNALLOCATED 8.36.79.0/24 3356 LEVEL3 - Level 3 Parent 396243 UNALLOCATED 8.37.112.0/24 3356 LEVEL3 - Level 3 Parent 396243 UNALLOCATED 8.37.123.0/24 3356 LEVEL3 - Level 3 Parent 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3 - Level 3 Parent Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.130.160.0/24 Origin: 16509 AMAZON-02 - Amazon.com, Inc., US 23.130.160.0/24 Transit: 7575 AARNET-AS-AP - Australian Academic and R 23.131.100.0/24 Origin: 401541 UNASSIGNED 23.131.100.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.131.156.0/24 Origin: 401541 UNASSIGNED 23.131.156.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.131.212.0/24 Origin: 401541 UNASSIGNED 23.131.212.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.133.212.0/24 Origin: 18604 UNASSIGNED 23.133.212.0/24 Transit: 394625 WHITELABELIT - WhiteLabel IT Solutions C Complete listing at https://bgp.nsrc.org/REN/AARNET/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- !!Default route being announced!! /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:14 /10:39 /11:97 /12:299 /13:589 /14:1190 /15:2136 /16:13738 /17:8272 /18:13251 /19:25469 /20:45185 /21:53068 /22:113229 /23:110225 /24:681896 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 7359 13194 AS8151 - UNINET, MX 12479 5944 7031 UNI2-AS - Orange Espagne SA, ES 39891 3661 4976 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 16509 3615 18451 AMAZON-02 - Amazon.com, Inc., US 6327 3597 3832 SHAW - Shaw Communications, CA 11492 3510 4600 CABLEONE - CABLE ONE, INC., US 7155 3269 4338 VIASAT-SP-BACKBONE - ViaSat,Inc., US 22773 3111 4862 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 10620 2241 3406 AS10620 - Telmex Colombia S.A., CO 30036 2195 2543 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2006 2:2903 3:1797 4:6 5:5545 6:212 7:6 8:1344 9:111 11:172 12:1089 13:1424 14:2696 15:490 16:286 17:465 18:1874 20:618 21:4 22:188 23:8571 24:2805 25:2 27:2938 28:7 29:19 31:3942 32:36 34:93 35:293 36:4894 37:4437 38:10356 39:1432 40:452 41:4633 42:1045 43:3464 44:516 45:19800 46:5031 47:460 48:171 49:2307 50:2022 51:1016 52:1454 54:449 55:1161 56:11 57:331 58:2666 59:1492 60:1197 61:3304 62:3181 63:1708 64:6687 65:2248 66:6305 67:3344 68:1302 69:4130 70:1090 71:619 72:3277 74:3163 75:1743 76:592 77:2921 78:2150 79:1910 80:2377 81:2311 82:4401 83:1509 84:2184 85:3896 86:1139 87:2951 88:1356 89:4947 90:777 91:8533 92:2776 93:3079 94:4674 95:4782 96:1457 97:305 98:951 99:1110 100:64 101:1366 102:4755 103:32424 104:5741 105:933 106:932 107:2986 108:1859 109:3950 110:2233 111:4226 112:3244 113:1669 114:2603 115:2320 116:2085 117:3885 118:2606 119:2065 120:2865 121:1820 122:3056 123:2242 124:1934 125:2969 126:156 128:1630 129:984 130:1764 131:2592 132:930 133:484 134:1818 135:663 136:1612 137:1604 138:3426 139:1819 140:1874 141:1872 142:2713 143:2341 144:1916 145:703 146:2239 147:2396 148:2867 149:3735 150:1453 151:3155 152:2471 153:2225 154:8914 155:2378 156:3943 157:2466 158:1657 159:2982 160:4140 161:2153 162:4231 163:2764 164:2446 165:2808 166:1257 167:2418 168:4485 169:958 170:5614 171:1133 172:4950 173:3469 174:896 175:1420 176:4066 177:5588 178:4693 179:2770 180:3353 181:4693 182:4083 183:2667 184:2216 185:22071 186:6548 187:5816 188:4828 189:4836 190:9944 191:1941 192:11927 193:9606 194:7951 195:5967 196:3417 197:3258 198:6445 199:6145 200:8484 201:6923 202:10595 203:10672 204:4795 205:3766 206:4514 207:4089 208:4346 209:5531 210:4686 211:2726 212:5228 213:4132 214:1028 215:50 216:7358 217:3834 218:1927 219:411 220:2238 221:1445 222:977 223:3628 End of report